gameServer2/src/protocol/parser.rs
changeset 13438 da71e0d88a1c
parent 13432 ee3fa3b8809d
child 13441 d47514fd6c6a
equal deleted inserted replaced
13437:a0c3431f60ac 13438:da71e0d88a1c
    24 named!(end_of_message, tag!("\n\n"));
    24 named!(end_of_message, tag!("\n\n"));
    25 named!(str_line<&[u8],   &str>, map_res!(not_line_ending, str::from_utf8));
    25 named!(str_line<&[u8],   &str>, map_res!(not_line_ending, str::from_utf8));
    26 named!(  a_line<&[u8], String>, map!(str_line, String::from));
    26 named!(  a_line<&[u8], String>, map!(str_line, String::from));
    27 named!( u8_line<&[u8],     u8>, map_res!(str_line, FromStr::from_str));
    27 named!( u8_line<&[u8],     u8>, map_res!(str_line, FromStr::from_str));
    28 named!(u32_line<&[u8],    u32>, map_res!(str_line, FromStr::from_str));
    28 named!(u32_line<&[u8],    u32>, map_res!(str_line, FromStr::from_str));
    29 named!(opt_param<&[u8], Option<String> >, opt!(map!(flat_map!(preceded!(eol, str_line), non_empty), String::from)));
    29 named!(opt_param<&[u8], Option<String> >, alt!(
       
    30       do_parse!(peek!(tag!("\n\n")) >> (None))
       
    31     | do_parse!(tag!("\n") >> s: str_line >> (Some(s.to_string())))));
    30 named!(spaces<&[u8], &[u8]>, preceded!(tag!(" "), eat_separator!(" ")));
    32 named!(spaces<&[u8], &[u8]>, preceded!(tag!(" "), eat_separator!(" ")));
    31 named!(opt_space_param<&[u8], Option<String> >, opt!(map!(flat_map!(preceded!(spaces, str_line), non_empty), String::from)));
    33 named!(opt_space_param<&[u8], Option<String> >, alt!(
       
    34       do_parse!(peek!(tag!("\n\n")) >> (None))
       
    35     | do_parse!(spaces >> s: str_line >> (Some(s.to_string())))));
    32 named!(hog_line<&[u8], HedgehogInfo>,
    36 named!(hog_line<&[u8], HedgehogInfo>,
    33     do_parse!(name: str_line >> eol >> hat: str_line >>
    37     do_parse!(name: str_line >> eol >> hat: str_line >>
    34         (HedgehogInfo{name: name.to_string(), hat: hat.to_string()})));
    38         (HedgehogInfo{name: name.to_string(), hat: hat.to_string()})));
    35 named!(_8_hogs<&[u8], [HedgehogInfo; 8]>,
    39 named!(_8_hogs<&[u8], [HedgehogInfo; 8]>,
    36     do_parse!(h1: hog_line >> eol >> h2: hog_line >> eol >>
    40     do_parse!(h1: hog_line >> eol >> h2: hog_line >> eol >>
   220 
   224 
   221 proptest! {
   225 proptest! {
   222     #[test]
   226     #[test]
   223     fn is_parser_composition_idempotent(ref msg in gen_proto_msg()) {
   227     fn is_parser_composition_idempotent(ref msg in gen_proto_msg()) {
   224         println!("!! Msg: {:?}, Bytes: {:?} !!", msg, msg.to_raw_protocol().as_bytes());
   228         println!("!! Msg: {:?}, Bytes: {:?} !!", msg, msg.to_raw_protocol().as_bytes());
   225         assert_eq!(message(msg.to_raw_protocol().as_bytes()), IResult::Done(&b""[..], msg.clone()))
   229         assert_eq!(message(msg.to_raw_protocol().as_bytes()), Ok((&b""[..], msg.clone())))
   226     }
   230     }
   227 }
   231 }
   228 
   232 
   229 #[test]
   233 #[test]
   230 fn parse_test() {
   234 fn parse_test() {
   231     assert_eq!(message(b"PING\n\n"),          IResult::Done(&b""[..], Ping));
   235     assert_eq!(message(b"PING\n\n"),          Ok((&b""[..], Ping)));
   232     assert_eq!(message(b"START_GAME\n\n"),    IResult::Done(&b""[..], StartGame));
   236     assert_eq!(message(b"START_GAME\n\n"),    Ok((&b""[..], StartGame)));
   233     assert_eq!(message(b"NICK\nit's me\n\n"), IResult::Done(&b""[..], Nick("it's me".to_string())));
   237     assert_eq!(message(b"NICK\nit's me\n\n"), Ok((&b""[..], Nick("it's me".to_string()))));
   234     assert_eq!(message(b"PROTO\n51\n\n"),     IResult::Done(&b""[..], Proto(51)));
   238     assert_eq!(message(b"PROTO\n51\n\n"),     Ok((&b""[..], Proto(51))));
   235     assert_eq!(message(b"QUIT\nbye-bye\n\n"), IResult::Done(&b""[..], Quit(Some("bye-bye".to_string()))));
   239     assert_eq!(message(b"QUIT\nbye-bye\n\n"), Ok((&b""[..], Quit(Some("bye-bye".to_string())))));
   236     assert_eq!(message(b"QUIT\n\n"),          IResult::Done(&b""[..], Quit(None)));
   240     assert_eq!(message(b"QUIT\n\n"),          Ok((&b""[..], Quit(None))));
   237     assert_eq!(message(b"CMD\nwatch demo\n\n"), IResult::Done(&b""[..], Watch("demo".to_string())));
   241     assert_eq!(message(b"CMD\nwatch demo\n\n"), Ok((&b""[..], Watch("demo".to_string()))));
   238     assert_eq!(message(b"BAN\nme\nbad\n77\n\n"), IResult::Done(&b""[..], Ban("me".to_string(), "bad".to_string(), 77)));
   242     assert_eq!(message(b"BAN\nme\nbad\n77\n\n"), Ok((&b""[..], Ban("me".to_string(), "bad".to_string(), 77))));
   239 
   243 
   240     assert_eq!(message(b"CMD\nPART\n\n"),      IResult::Done(&b""[..], Part(None)));
   244     assert_eq!(message(b"CMD\nPART\n\n"),      Ok((&b""[..], Part(None))));
   241     assert_eq!(message(b"CMD\nPART _msg_\n\n"), IResult::Done(&b""[..], Part(Some("_msg_".to_string()))));
   245     assert_eq!(message(b"CMD\nPART _msg_\n\n"), Ok((&b""[..], Part(Some("_msg_".to_string())))));
   242 
   246 
   243     assert_eq!(message(b"CMD\nRND\n\n"), IResult::Done(&b""[..], Rnd(vec![])));
   247     assert_eq!(message(b"CMD\nRND\n\n"), Ok((&b""[..], Rnd(vec![]))));
   244     assert_eq!(
   248     assert_eq!(
   245         message(b"CMD\nRND A B\n\n"),
   249         message(b"CMD\nRND A B\n\n"),
   246         IResult::Done(&b""[..], Rnd(vec![String::from("A"), String::from("B")]))
   250         Ok((&b""[..], Rnd(vec![String::from("A"), String::from("B")])))
   247     );
   251     );
   248 
   252 
   249     assert_eq!(extract_messages(b"QUIT\n1\n2\n\n"),    IResult::Done(&b""[..], vec![Malformed]));
   253     assert_eq!(extract_messages(b"QUIT\n1\n2\n\n"),    Ok((&b""[..], vec![Malformed])));
   250 
   254 
   251     assert_eq!(extract_messages(b"PING\n\nPING\n\nP"), IResult::Done(&b"P"[..], vec![Ping, Ping]));
   255     assert_eq!(extract_messages(b"PING\n\nPING\n\nP"), Ok((&b"P"[..], vec![Ping, Ping])));
   252     assert_eq!(extract_messages(b"SING\n\nPING\n\n"),  IResult::Done(&b""[..],  vec![Malformed, Ping]));
   256     assert_eq!(extract_messages(b"SING\n\nPING\n\n"),  Ok((&b""[..],  vec![Malformed, Ping])));
   253     assert_eq!(extract_messages(b"\n\n\n\nPING\n\n"),  IResult::Done(&b""[..],  vec![Empty, Empty, Ping]));
   257     assert_eq!(extract_messages(b"\n\n\n\nPING\n\n"),  Ok((&b""[..],  vec![Empty, Empty, Ping])));
   254     assert_eq!(extract_messages(b"\n\n\nPING\n\n"),    IResult::Done(&b""[..],  vec![Empty, Empty, Ping]));
   258     assert_eq!(extract_messages(b"\n\n\nPING\n\n"),    Ok((&b""[..],  vec![Empty, Empty, Ping])));
   255 }
   259 }